Modified Arduino Example Code

Arduino/AD5667.ino

@@ -1,45 +1,45 @@
-// Distributed with a free-will license.
-// Use it any way you want, profit or free, provided it fits in the licenses of its associated works.
-// AD5667
-// This code is designed to work with the AD5667_I2CDAC I2C Mini Module available from ControlEverything.com.
-// https://www.controleverything.com/content/Digital-Analog?sku=AD5667_I2CDAC#tabs-0-product_tabset-2
-
-#include<Wire.h>
-
-// AD5667 I2C address is 0x0E(14)
-#define Addr 0x0E
-
-void setup()
-{
-  // Initialise I2C communication as Master
-  Wire.begin();
-  // Initialise serial communication, set baud rate = 9600
-  Serial.begin(9600);
-  delay(300);
-}
-
-void loop()
-{
-  unsigned int data[2] = {0x80, 0x00};
-
-  // Start I2C transmission
-  Wire.beginTransmission(Addr);
-  // Select DAC and input register
-  Wire.write(0x1F);
-  // Write data = 0x8000(32768)
-  // data msb = 0x80
-  Wire.write(data[0]);
-  // data lsb = 0x00
-  Wire.write(data[1]);
-  // Stop I2C transmission
-  Wire.endTransmission();
-
-  // Convert the data, Vref = 5 V
-  float voltage = (((data[0] * 256) + (data[1])) / 65536.0) * 5.0;
-
-  // Output data to serial monitor
-  Serial.print("Voltage : ");
-  Serial.print(voltage);
-  Serial.println(" V");
-  delay(500);
+// Distributed with a free-will license.
+// Use it any way you want, profit or free, provided it fits in the licenses of its associated works.
+// AD5667
+// This code is designed to work with the AD5667_I2CDAC I2C Mini Module available from ControlEverything.com.
+// https://www.controleverything.com/content/Digital-Analog?sku=AD5667_I2CDAC#tabs-0-product_tabset-2
+
+#include<Wire.h>
+
+// AD5667 I2C address is 0x0E(14)
+#define Addr 0x0E
+
+void setup()
+{
+  // Initialise I2C communication as Master
+  Wire.begin();
+  // Initialise serial communication, set baud rate = 9600
+  Serial.begin(9600);
+  delay(300);
+}
+
+void loop()
+{
+  word data = 0x8000;
+  
+  // Start I2C transmission
+  Wire.beginTransmission(Addr);
+  // Select DAC and input register
+  Wire.write(0x1F);
+  // Write data = 0x8000(32768)
+  // data msb = 0x80
+  Wire.write(highByte(data));
+  // data lsb = 0x00
+  Wire.write(lowByte(data));
+  // Stop I2C transmission
+  Wire.endTransmission();
+
+  // Convert the data, Vref = 5 V
+  float voltage = (( highByte(data) * 256 + lowByte(data)) / 65535.0) * 5.0;
+
+  // Output data to serial monitor
+  Serial.print("Voltage : ");
+  Serial.print(voltage);
+  Serial.println(" V");
+  delay(500);
 }